1966. Fifth edition, reprint. 153 pages. White jacket over blue cloth with gilt titles to spine. Map endpapers. Includes various diagrams. Book has a slight smoky odour overall. Pages have slight foxing, tanning and minor thumbing. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Very faint liquid stain to front board. Gilt is bright. Unclipped jacket has moderate edgewear with chips, tears and creasing. Jacket moderately foxed overall. Small areas of loss to spine ends.